help me please I am puzzled.
In January we bought a bigger tank 250 gallon. After a few weeks we put our old stock in - Mollys, Platys, 1 giant danio, 2 congo tetras, 6 Neons and 2 glowlights, 4 frogs and 1 golden bristlenose. On 2nd Feb we added some rainbow fish, 2 blue 1 red and 2...